Brake for self-propelling vehicles



F. H. RICKER.

BRAKE FOR SELF PROPELLING VEHICLES.

APPLICATION FILED JAN-17, 1922.

1,435,499. Patented Nov. 14,1921

I so that the shaft drives a pump causing a 'mediunr'to circulate in the system and to provide suitable means within the: system? active; A further object Ofinyinvntibw is to-proivide a specially-desi edvalveqfor -the.. purposezofi rendering-t e obstacle: the circulationsystemvariable?Q.

' invention in-the accompanying;drawing'in" Patented Nov 14, 3222a 3 stores. BECKER, or LOS aimnnns, oanmoarsra.

BRAKE F012, SELFPROPELLIN& VEHICLE S.

Application filed January 17, 1922. Serial No. 529,877.-

To all whom it may concern:

. Be it known that I, FLOYD H. RI0KEB,

a citizen of .the United States, resident of hicles, of cation. p

The present invention relates to improvements in brakes for rotating sha'its gen-1 orally and has 'more particular" reference. to

a brake for a self-propelling vehicle. 5 Brief ly stated the object of the present invention is to connect the mainqdrive'shaft of;

a motor vehicle with a circulationisystem.

for stopping the. circulation whereby. the;

pump as well as the shaft is rendered inf;

i .111 the cylinders" (14) and (16) respectively.

With these and other obj ects. in view I have illustrated the preferredf-fornii.-of my which Figure'l is a top p1an'v1'ew',-iinIgention through my device. along line,2t.-2,of I Figurel, Figure 3' a detailvlew ot avalve v usedin myldevice, Figure 4 a detail :view

of a valveseat co-operating with the valve: {illustrated in Figure 3 and Figure 5. a -;'ver-:.. ..'tical cross-sectionthrou h 'the v'alvealong fline 5+5, of Figure 3. fonly thepreferred form of my invention '1 wish to have. it understood that various changes fand modifications may be; madef within the scope .of'the-claims hereto attached without departing from the spirit;

' sector (47 selectively registers either with 100 'the" open sector (39) of the valve seat or ;"with the valve controlled sector (41) of the valve seat or-,with the solid portion (38) eral outlines, of the chassis'offa motorvea hicle having my device attached theare'to,

Figure 2 a longitudinal vertical cros -sec of the inventioin a p In Figure lis shown the rear portionof the chassis (1) of a motor vehiclecompris ing the two wheels (2), the rear axle housing (3), the rear springs (4), the frame (6) and. the main drive shaft 7 Theframe is provided intermediate of its length with two transverse supporting members (8) having two longitudinal members 9) secured. thereto on which my brake 11) is supported. The latter is shown in detail in Figure 2 andmay be described as substantially embodying the principles of a sector.

double acting-force pump. .QIt comprises a) housing "(12) arranged symmetrically around the shaft. (7) containing a central 1' crank case-f lfoY')-.",'i-twof'. cylinders (.14)- and B0 (16)extendingfromrthe crankcasefi-n opi crank case. {The communications between I the passages (17), (18), (19) and (20.) and the two. cylinders are controlled b the two suction valves (21) and (22) an thetwo deliveryfivalves (23) and (24) The main we drive shaft is broken so as to receive. the two cranks. (26) supporting the pin- (27) E which latter engages theinner ends of two pistons rods (28) .and" (29)ttotheouter ends of which'are pivotallygsecured two pistons (31) and (35)" adapted.toreciprocate with- .I The communication between the passages "(17' and (18) and" the crank case is conftroed-Lby a-valve (33).- Theseat (34) forte. this valve1isjshown in detail in Figure. 4 a and comprises a conical rim (36) which is.

part1 closed-by means ofaflisk (38). This disk. astwoadj'acent sectors (39) and (41) cutout ofih ame, the two being separated by-a web""(.42).. f()ne of .these sectors (41) is controlled by a valve (43) which nori-l'nally closes the same under the influence of a spring (44) but which yields when -suflicient.pressgre is brought tobear on it. to

Thevalve (33),which' is shown in detail in Figure-3 comprise's'adisk (46) having one corresponding in size to the seca'valve stern (48) actuated from the drivers seat means of a connecting rod (49) engaiin a handle (51). I In this manner the dis .46) constituting thevalve can be revolve over the valve seat so that its open of the same. It will be readily seen that -when the sector (47) of the valve registers with the sector (39) of the valve seat practically no obstruction is offered to the free circulation of the medium selected, such as i liian'd .g gynrill nature ycometo a stand seat considerable obstructionpis ofi ered t theflow of the circulating medium and this i obstructionwilltend to retardtherotation of the shaft ti) since it requires more Work..-;' to force the circulating medium through the valve (43L)';' lithe valve (33 "is: revolved still further the. open sector (4: will'regis terzwith tlieflsolid portion (38);o f the valve -seatand stop the "-fiow of the circulating i mediiina altogcther whereby the shaft (7) .valves (23) or (24c) sages-(19) and (20); l W

is I prevented itrom fiowin will js toipped almost immediately if 'a liquid -jis'fselectc'das a circulatingmedium and somewhat' m'orei slowly if a gas is used. ,--Theioperation of my device will be readily understood from the foregoing description.

The rotation of the shaft (7 causes the two pistons (31) and (32)1to reciprocate in their respective cylinders; sucking on;th'eir ,inward-stroke-gaf' ortion of the circulating .20

ve' (38) is and the v pistons culating medium. i

ease

still since the passages (17 and (18) are fillcd'up. I. The particular valve construction selected: 4

for-my device allows of an unlimited num'? ber of variations since there are many] intermediate positions possible beside the three positions describedand each position ofl'ers I a difierent resistance to the I claim 1. In combination' vvith a-rotating shaft,

a 'brake comprising a. circulating pump adapted tobe actuated by the-shaft and means for obstructing the circulation whereby thevpump and the shaft are rendered inactive, said means comprising avalve hav-- ing' a variable. resistance associated therewith. 1

2. In combination rotating shaft,

a brake comprising a circulating pump adapted" to be actuated by the shaft and means for obstructing the circulation whereby the pump and the shaft are rendered inactive, said means comprising a disc-shaped valve having a seat providing two adjacent shaped valve adapted to be revolved over the valve seat. Y

. open sectors, a yielding valve controlling one of the sectors, and an open sector in the disc- "FLOYD n; mar na 

